Results 191 to 200 of about 2,119,061 (274)

AN UPPER DEVONIAN ZYGOPTERID SHOWING CLEPSYDROPSOID AND ETAPTEROID FEATURES

American Journal of Botany, 1954
openaire   +2 more sources

On the Billefjorden fault zone in Garmdalen, central Spitsbergen: implications for the mapping of major fault zones during geological fieldwork and for the tectonic history of Svalbard. [PDF]

Open Res Eur
Koehl JP, Stokmo EMB, Muñoz-Barrera JM.
europepmc   +1 more source

Cephalopod body size and macroecology through deep time. [PDF]

Sci Rep
Klug C, Fuchs D, Pohle A, Korn D, De Baets K, Hoffmann R, Ware D, Ward PD.   +7 more
europepmc   +1 more source

Reconstruction of feeding behaviour and diet in Devonian ctenacanth chondrichthyans using dental microwear texture and finite element analyses. [PDF]

R Soc Open Sci
Greif M, Calandra I, Lautenschlager S, Kaiser TM, Mezane M, Klug C.   +5 more
europepmc   +1 more source

First Occurrence of <i>Wronascolex</i> sp. (Palaeoscolecida, Priapulida) in the Cambrian Tianpeng Formation (Wuliuan Stage), Southeastern Yunnan, South China: Implications for a New Burgess Shale-Type Lagerstätte. [PDF]

Life (Basel)
Xiao SY, Chen LR, Zhang ST, Zhang D, Chen XC, Hu YK, Song QY, Yang XQ, Zuo RH, Zhang GX.   +9 more
europepmc   +1 more source

A new occurrence of saprotrophic oomycetes from the ca 307-303 million-years-old Grand'Croix Chert (Massif central, France). [PDF]

iScience
Strullu-Derrien C, Spencer ART, Gèze M, Martos F, De Franceschi D, Kenrick P, McLoughlin S, Selosse MA.   +7 more
europepmc   +1 more source

Middle-Upper Devonian palynofloras from Argentina, systematic and correlation [PDF]

Review of Palaeobotany and Palynology, 2018
This investigation documents the first palynoassemblage spanning the Middle-Upper Devonian from four outcropping sections located in northwestern Argentina.
Sol Noetinger, Mercedes Di Pasquo, Daniel Starck   +2 more
exaly   +4 more sources

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Cornulitids from the Upper Devonian of the Central Devonian Field, Russia

GFF, 2018
Two species of cornulitids, Cornulites devonicus and C. sokiranae sp. nov., commonly occur on Upper Devonian (Upper Frasnian and Lower Famennian) brachiopod shells in the area of the Central Devoni...
Olev Vinn, Sabiela Musabelliu, Michał Zatoń   +2 more
openaire   +2 more sources

Metamorphism in the Upper Devonian of N. Cornwall

Geological Magazine, 1928
The geological succession and structure of the district are briefly summarized. Evidence of stress conditions becomes increasingly abundant as one passes from south to north towards the boundary of the Carboniferous.The thermal alteration due to the Bodmin Moor granite is definitely delimited by tracing the outer limit of spotting in normal pelitic ...
F. C. Phillips
openaire   +2 more sources

The influence of rigid matrix minerals on organic porosity and pore size in shale reservoirs: Upper Devonian Duvernay Formation, Alberta, Canada

, 2020
Organic porosity is an important component of the pore system in many shale hydrocarbon reservoirs. While much research has been directed towards understanding the development of organic porosity as a function of thermal maturity, relationships between ...
L. Knapp, O. Ardakani, S. Uchida, Takashi Nanjo, Chiaki Otomo, Tatsuya Hattori   +5 more
semanticscholar   +1 more source